---
title: "BIG CHAINRING LTD — Ownership Dossier"
canonical: https://whiteintel.dev/entity/8b950549-25d3-5cb2-aa8a-6733f29bb7e4
json: https://whiteintel.dev/api/public/dossier/8b950549-25d3-5cb2-aa8a-6733f29bb7e4
identifier: oo:GB-COH-11633224
jurisdiction: GB
risk: Low
source: WhiteIntel corporate-ownership graph
---

# BIG CHAINRING LTD

**Type:** Company  
**Jurisdiction:** GB  
**Identifier:** `oo:GB-COH-11633224`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/8b950549-25d3-5cb2-aa8a-6733f29bb7e4  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/8b950549-25d3-5cb2-aa8a-6733f29bb7e4  

## Ownership & control

### Owners / controllers

- **Mr Ciaran O'Grady** (beneficial owner) — 100% — https://whiteintel.dev/entity/f80264db-f456-54ed-91b1-228140d10bc6
- **Dr Ciaran O'Grady** (beneficial owner) — 87.5% — https://whiteintel.dev/entity/4a69a50d-b9bc-45b0-bcb1-1661b32c59bb

### UBO chain (walk to the ultimate owner)

1. **Mr Ciaran O'Grady** — beneficial owner 100% → *BIG CHAINRING LTD*
1. **Dr Ciaran O'Grady** — beneficial owner 87.5% → *BIG CHAINRING LTD*

## Company profile (live · UK Companies House)

- **Company number:** `11633224`
- **Status:** active
- **Type:** ltd
- **Incorporated:** 2018-10-19
- **Registered office:** Camburgh House, 27 New Dover Road, Canterbury, Kent, CT1 3DN, United Kingdom
- **SIC:** 58190, 63990, 74909, 85510

### Officers

- O'GRADY, Ciaran, Dr — director · Irish · appointed 2018-10-19
- RAWLINS, Freya — director · British · appointed 2020-10-30

### Beneficial owners (Persons with Significant Control)

- Dr Ciaran O'Grady — 75–100% shares · individual PSC · United Kingdom — since 2018-10-19

## Provenance

- companies_house_bulk — https://find-and-update.company-information.service.gov.uk/company/11633224
- OpenOwnership — https://find-and-update.company-information.service.gov.uk/company/11633224

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **BIG CHAINRING LTD**. Human view: https://whiteintel.dev/entity/8b950549-25d3-5cb2-aa8a-6733f29bb7e4 · Structured JSON: https://whiteintel.dev/api/public/dossier/8b950549-25d3-5cb2-aa8a-6733f29bb7e4._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._